Last updated: June 2, 2025
Understanding the UV Index in Trincheras, Mexico is crucial for protecting your skin and overall health. With the region's hot semi-arid climate (BSh), residents and visitors alike face elevated UV exposure, especially during the peak hours of 10 AM to 2 PM when indices can soar to a maximum of 12. By staying aware of the UV levels, you can take proactive steps to prevent sunburn and the long-term effects of skin damage. Whether you're enjoying outdoor activities or simply soaking up the sun, knowing when to seek shade or apply sunscreen is key to maintaining your skin's health in this beautiful yet sun-drenched locale.
As the sun rises, the UV Index begins its climb, starting at a modest 1 at 07:00 AM. By 08:00 AM, it increases to 3, indicating a slight uptick in UV exposure. The intensity escalates rapidly, peaking at 12 between 12:00 PM and 01:00 PM, suggesting the need for sun protection is at its utmost. The index then begins to decline, dropping to 10 by 02:00 PM and gradually easing to 5 by 04:00 PM. As the day winds down, the UV levels fall back to 1 by 06:00 PM, marking a significant reduction in sun intensity. This hourly data highlights the critical midday hours where caution is essential, as the sun can be particularly harsh. Be sure to enjoy the sunshine while staying protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels show significant seasonal changes, with peak exposure occurring from April to September when the index remains at an extreme level of 12. During these high-risk months, especially from March to September, the burn time is drastically reduced to just 10 minutes, emphasizing the need for diligent sun protection measures. Conversely, the UV Index subsides in the late fall and winter months, reaching a moderate level of 5 in January and December, which allows for safer sun exposure, with burn times extending to 30 minutes. Residents and visitors are strongly advised to take precautions during the high-risk months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours, especially from April to September, to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trincheras | 5 | 7 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 6 | 5 |
| Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
| Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
| Ecatepec de Morelos UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Mexico City UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |